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Reclamation
 3 Months Ended
Mar. 31, 2020
Asset Retirement Obligation Disclosure [Abstract]  
RECLAMATION RECLAMATION
Reclamation and mine closure costs are based principally on legal and regulatory requirements. Management estimates costs associated with reclamation of mining properties. On an ongoing basis, management evaluates its estimates and assumptions, and future expenditures could differ from current estimates.
Changes to the Company’s asset retirement obligations for its operating sites are as follows:
 
Three Months Ended March 31,
In thousands
2020
 
2019
Asset retirement obligation - Beginning
$
134,543

 
$
133,508

Accretion
2,804

 
2,895

Settlements
(719
)
 
(662
)
Asset retirement obligation - Ending
$
136,628

 
$
135,741


The Company accrued $1.9 million at each of March 31, 2020 and December 31, 2019, respectively, for reclamation liabilities related to former mining activities, which are included in Reclamation.